lynch pin
Worth a lookShows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Review moat
Great276.9avg incumbent reviews — the moat a new listing must climb
Price range
Good$4.20–$39.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.0%search→purchase rate — share of searches ending in a sale
Brand share
Good65%top-5 brand share — brands hold most of the demand
Growth
Good+45.9%90-day search growth — must beat 0% to launch
Avg price
Good$13.78avg listing price — sweet spot $15–$100
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Market size
Bad$61K$61K/yr · 74K searches
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, lynch pin is a $61K/yr Amazon United States market (74K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in May. Verdict: Worth a look — 57/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
lynch pin market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $55K–$69K
- units × avg price
- Conversion rate
- 6.0%
- Avg BSR
- #593
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 90%
- Out of stock
- 6.4%
- Avg brand age
- 48 months
- Avg seller age
- 180 days
Competition & brand share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
21 rising
Sellers
24
Top-5 brand share
65%
Top 20: 99%
Top-5 click share
47%
Top 20: 91%
Open market
31%
- Comonc19%
- PINAILER14%
- mankk14%
- Easily11%
- Litoexpe7%
- yuntop5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +45.9% search growth over the last 90 days.Peak months: May · busiest ÷ quietest = 1.9×
Top lynch pin search terms
- lynch pin40K/yr
- lynch pins13K/yr
- linchpin8K/yr
- linch pins7K/yr
- linch pin6K/yr
Top lynch pin products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Comonc 6 PCS 7/16 Lynch Pin Assortment Kit Linch Pin with Ring Heavy Duty Lynch Pin for Farm Tractors Trailers Mower 7/16 by 1-3/4-Inch
Comonc$7.814.8★786 rev

202PCS Hitch Pins Clip Pins Linch and PTO Pins for Trailers Tractors Trucks Towing Mowing Farm Equipment Snow Plows Lawnmowers Garage Heavy Duty Trailers Accessories Tractor Attachments
Easily$36.454.7★454 rev

Pinailer 30 Pcs of Lynch Pin Assortment Kit for Trucks Tractors Trolleys Lawn Mowers & Trailers of 3/16x1-7/16 1/4x1-3/4 5/16x1-3/4 & 7/16x1-3/4
PINAILER$16.914.7★322 rev

mankk 12PCS 4 Sizes Lynch Pin Assortment Kit Tractor Pins Linch Pins 3 Point Hitch Pins for Farm Tractors Trailers Trucks Lawn Mowers
mankk$10.034.7★243 rev

mankk 50PCS Heavy Duty Lynch Pin Assortment Kit Tractor Pins Linch Pins Ring Clips PTO Pin for Farm Tractors Trailers Trucks Lawn Mowers
mankk$20.764.7★243 rev
Newest
by launch date
3/8 x 1-3/4 Lynch Pin with 10 in Stainless Steel Cable Heavy Duty Linch Pin with Ring Quick Release Trailer Gate Pin for Utility Trailer Farm Gate Tractor & Equipment Zinc Plated 4 Pack
Generic$10.911 rev

30 PCS Lynch Pin Assortment Kit Heavy Duty Tractor Pins 3 Point Hitch Pins for Farm Tractors Trailers Trucks Lawn Mowers & Trolleys
PHATRIP$20.3716 rev

10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel
NRJSSCC$5.5874 rev

Cotter Pin Assortment Kit - 300PCS Heavy Duty Lynch Pin Set Snap Pin Hitch Pin & R Clip Zinc-Plated Steel Linchpins for Tractor Trailer Truck Lawn Mower Farm Tools & Equipment
Zpiohio$30.6341 rev

Lyxheth 4PCS Heavy Duty Lynch Pin Assortment Kit 3 Point Hitch Pins 3/16 Inch Round Pin Locks Trailer Gate Pin Trailer Coupler Pin Carbon Steel Linch Pins Lock Pin Clips for Trailers Trucks (4.5*36)
Lyxheth$4.2020 rev
Trending
90-day click momentum
3/8 x 1-3/4 Lynch Pin with 10 in Stainless Steel Cable Heavy Duty Linch Pin with Ring Quick Release Trailer Gate Pin for Utility Trailer Farm Gate Tractor & Equipment Zinc Plated 4 Pack
Generic$10.915.0★

30 PCS Lynch Pin Assortment Kit Heavy Duty Tractor Pins 3 Point Hitch Pins for Farm Tractors Trailers Trucks Lawn Mowers & Trolleys
PHATRIP$20.374.9★

10 Pack NRJSSCC Trailer Coupler Pin and Locking Pin 2-1/8x1/4 Trailer Hitch Pin Heavy Duty Shaft Locking and Wire Lock Pins Hardware Pins for Farm Trailers Towing Lawn Garden Carbon Steel
NRJSSCC$5.584.8★

6 Pcs of Lynch Pin Assortment (7/16x1-3/4) for Trucks Tractors Trolleys Lawn Mowers & Trailers
PINAILER$9.004.7★

Litoexpe 6 Pcs 1/4 Inch Lynch Pin with Ring Heavy Duty Round Linch Pins Assortment for Farm Tractors Trucks Trailers Mowers (1/4x1-3/4)
Litoexpe$5.654.9★
What buyers say about lynch pin
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality feels solid”
“Great deal”
“Perfect fit”
“Exactly as advertised”
“Case is solid”
“easy to use”
“Very durable”
“Works great”
“They are solid material”
“Great to have on hand for quick repairs or replacements”
What buyers complain about
“Most pins are too long”
“flimsy pins that sometimes come with retail equipment”
“Made incorrectly”
“yeah, probably more expensive than buying a bunch of these”
“spill out causing a disaster”
“These pins don't last forever -”
“Broke 15 minutes after installing”
“The spring gate is rather stiff”
Top return reasons
Common questions
- Is lynch pin profitable to sell on Amazon United States?
- The niche generates $61K/yr across 29 tracked products. 2 of 5 products launched in the last 360 days are still selling. 90-day search growth is +45.9%. Flapen's verdict: Worth a look (57/100).
- How competitive is the lynch pin niche?
- 21 brands and 24 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 65% of demand.
- What do buyers complain about in lynch pin?
- Top complaints mined from reviews: Size-Overall, Strength, Design-Overall. The return rate is 1.0%.
- When does demand for lynch pin peak?
- Demand peaks in May; the busiest month runs 1.9× the quietest.
- What does it cost to enter the lynch pin niche?
- Listings span $4.20–$39.35; the average listing price is $13.78 (sweet spot $15–$100). The average incumbent carries 277 reviews — the moat a new listing must climb.